Joaquin Carbonell
@joaquinc.bsky.social
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📥 1192
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Research | Data Science at the California Department of Social Services. All views my own.
Want to use your data science and engineering skills for good? Consider applying for this Research Data Engineer position on my team or help us spread the word! Link to job posting in next skeet - Apply by July 27! 🧵about our team's work and the job 1/7
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4 days ago
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Jason
21 days ago
Congestion pricing improved air quality in the entire metro region, putting to rest one of the last arguments of opponents: That it would harm people that live outside the zone.
news.cornell.edu/stories/2025...
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Congestion pricing improved air quality in NYC and suburbs | Cornell Chronicle
Cornell researchers tallied the environmental benefits of New York City’s congestion pricing program and found air pollution dropped by 22% in Manhattan, with additional declines across the city’s fiv...
https://news.cornell.edu/stories/2025/12/congestion-pricing-improved-air-quality-nyc-and-suburbs
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Excellent review of HHS-ASPE’s new “study” of the impact of Medicaid work requirements on poverty.
@chloeneast.bsky.social
and
@adrianna.bsky.social
bringing that heat 🔥
donmoynihan.substack.com/p/the-trump-...
27 days ago
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Nice roundup of the literature on the effect of upzoning on housing supply among other things by
@urbaninstitute.bsky.social
housingmatters.urban.org/how-upzoning...
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How Upzoning Affects Housing Supply
Many jurisdictions are considering or have already enacted zoning reforms to boost housing supply. Here’s what research tells us about when it delivers new h…
https://housingmatters.urban.org/how-upzoning-affects-housing-supply
about 1 month ago
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Mayor Zohran Kwame Mamdani
3 months ago
Ever wonder how to get rid of a mattress? Or how to find resources for a neighbor in need? Call 311. 311 is contacted 100,000 times every day, 7 days a week, 52 weeks a year. No call is too small. So on the anniversary of 311 (3/11), I decided to answer some of those calls myself.
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Dominique Baker
3 months ago
"all fortunes are family fortunes, all power is family power, and all status is family status" That's a powerful line
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David Roberts
4 months ago
They were going to pass rules to phase out gas stoves, until they received 20,000 public comments against the regulations. Except, oops, it turns out the comments were generated by AI.
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Southern California air board rejected pollution rules after AI-generated flood of comments
The opposition appeared overwhelming: Tens of thousands of emails poured into Southern California's top air pollution authority as its board weighed a June proposal to phase out gas-powered appliances...
https://phys.org/news/2026-02-southern-california-air-board-pollution.html?_bhlid=ca27d0c39e55dadac625b0385f0cc7eea960f238
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Some deep truths about the Cuban exile community. Beautiful essay.
www.equator.org/articles/the...
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The Thing We Call Exile • EQUATOR
A Cuban writer contemplates his new life in America, as Washington puts the island under siege once again
https://www.equator.org/articles/the-thing-we-call-exile
4 months ago
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Nate Jensen
4 months ago
Our paper is out in PNAS.
www.pnas.org/doi/10.1073/...
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Why Biden-era clean energy investment policies had limited political returns | PNAS
The Biden Administration enacted the largest federal policy framework to incentivize clean energy and decarbonization in U.S. history. We examine w...
https://www.pnas.org/doi/10.1073/pnas.2526802123
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Review of Economics and Statistics (REStat)
4 months ago
Tests for p-hacking can have low power; non-rejections do not indicate an absence of p-hacking. Just Accepted new paper by Graham Elliott, Nikolay Kudrin @NKudrin and Kaspar Wüthrich.
zurl.co/EggwF
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The Power of Tests for Detecting p-Hacking
Abstract. A flourishing empirical literature investigates the prevalence of p-hacking based on the distribution of p-values across studies. Interpreting
https://zurl.co/EggwF
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Brian Goldstone
5 months ago
Reading this story—about how the Pentagon has been given so much extra money it's struggling to spend it all—while thinking about the formerly homeless tenants I've spoken with in recent weeks whose housing vouchers are being discontinued for "lack of funds."
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Trump aides struggle with how to spend $500 billion more on military
Some senior officials resisted the decision to approve the major military spending increase, people familiar with the matter say.
https://www.washingtonpost.com/business/2026/02/21/trump-hegseth-budget-military/
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Fired but Fighting (National Public Health Coalition)
5 months ago
This a great piece of investigative journalism.
@rollingstone.com
This should be required reading for scientists and ethicists. Ethics matter, especially in science.
www.rollingstone.com/politics/pol...
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New Documents Reveal a Controversial Vaccine Study's Unusual Path to CDC Approval
A new investigation has found irregularities in the ethics review of a grant to study effects of a birth dose of hepatitis B vaccine in Guinea-Bissau.
https://www.rollingstone.com/politics/politics-features/new-documents-vaccine-study-cdc-approval-1235518406/
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Matthew A Kraft
5 months ago
🚨Thrilled to share our new
@nber.org
WP. Research and policy often assume teacher effectiveness is essentially fixed. We revisit this question by studying what happens when high-performing teachers are incentivized to transfer to struggling schools. 🧵
nber.org/papers/w34845
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Eileen Ridge
5 months ago
Holy moly this chart: Cumulative US measles cases
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The research and data shop here at CDSS is
#hiring
for TWO data engineer positions that will be essential to the modernization of our data infrastructure. Help us spread the word! 𝐒𝐚𝐥𝐚𝐫𝐲: $91,680 per year 𝐀𝐩𝐩𝐥𝐲 𝐛𝐲: Feb 6 𝐀𝐩𝐩𝐥𝐲 𝐡𝐞𝐫𝐞:
calcareers.ca.gov/CalHrPublic/...
5 months ago
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CA reduced EBT theft by 83% since Jan 2024:
www.kcra.com/article/cali...
A few reflections on this work 🧵below Disclaimer: This is my view as a private citizen though I work at CDSS and have been involved in the dept's response to theft for the last 3.5 yrs 1/10
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California sees major drop in EBT fraud and theft, state leaders say
According to state data shared exclusively with KCRA 3 on Thursday, there has been an 83% decline in theft associated with Electronic Benefits Transfer.
https://www.kcra.com/article/california-drop-in-ebt-fraud-theft/70014585
6 months ago
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Ned Resnikoff
7 months ago
Listen, I know the housing shortage is killing a great American city, but that really is one of our most historically significant Safeways
www.sfchronicle.com/sf/article/s...
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Marina’s reaction to Safeway tower plans: ‘Along comes this behemoth right on the waterfront’
Plans to put a 25-story apartment complex on San Francisco’s Marina district sparked concerts about a future where the city’s waterfront is ringed by tall housing structures.
https://www.sfchronicle.com/sf/article/safeway-tower-housing-marina-21224148.php
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Joshua Goodman
7 months ago
I am increasingly convinced the optimal number of laptops per child is 0 (or at least much lower than 1). From the latest Journal of Public Economics issue:
doi.org/10.1016/j.jp...
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Scott McGrath
7 months ago
AI dialogues shifted political support by 2 to 3 points in trials, eclipsing standard ads. Roughly one-third of this effect persisted for a month. However, models optimized for persuasion proved more factually error-prone.
#MLSky
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AI chatbots can persuade voters to change their minds
Conversations with AI can sway people’s political views. Concerningly, a chatbot’s facts are not always accurate, especially when it supports right-wing positions.
https://www.nature.com/articles/d41586-025-03733-x
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jon ben-menachem
7 months ago
striking that so many cities are seeing parallel homicide declines this year. i have no good explanation
jasher.substack.com/p/the-fbi-wi...
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Pietro Biroli
about 1 year ago
🧵New paper out: “Beyond Time: Unveiling the Invisible Burden of Mental Load” with Barigozzi, Monfardini, Montinari,
@elenapisanelli.bsky.social
@svevav.bsky.social
🔗
arxiv.org/abs/2505.11426
/1
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Beyond Time: Unveiling the Invisible Burden of Mental Load
This paper introduces a novel, scalable methodology to measure individual perceptions of gaps in mental load -- the cognitive and emotional burden associated with organizing household and childcare ta...
https://arxiv.org/abs/2505.11426
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Policy research folks take note - CPL's research is very influential in California state policy and this high-impact role will help expand that influence. Consider applying and share with your networks!
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9 months ago
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One week until this job posting closes. Do dope research, serve the great state of California. Join us.
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10 months ago
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10 months ago
This is a great research team for those seeking to make impact within government.
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Kelsey Pukelis
11 months ago
An opportunity to join our fantastic research team at the California Department of Social Services!
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Our research shop at the CA Dept of Social Services is
#hiring
for a Principal Researcher
calcareers.ca.gov/CalHrPublic/...
Posting closes 9/15. Please help us spread the word! This position will lead high impact research projects and shape/set standards for our research portfolio.
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Data Engineer
Looking to make a difference? Join our strong and mighty workforce. We offer benefits and growth opportunities and impact the lives of millions of Californians.
https://calcareers.ca.gov/CalHrPublic/Jobs/JobPosting.aspx?JobControlId=488653
11 months ago
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Chapin Hall
11 months ago
Always happy to uplift job opportunities that can have a positive impact for children and families! Check out the opportunity at the top of this thread👇 Thank you for the shout out,
@joaquinc.bsky.social
! We always appreciate working with the California Department of Social Services team.
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Our research shop at the CA Dept of Social Services is
#hiring
for a Principal Data Enigneer
calcareers.ca.gov/CalHrPublic/...
Posting closes 9/8. Please help us spread the word! This position will build data pipelines for our in-house research and analytics.
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Data Engineer
Looking to make a difference? Join our strong and mighty workforce. We offer benefits and growth opportunities and impact the lives of millions of Californians.
https://calcareers.ca.gov/CalHrPublic/Jobs/JobPosting.aspx?JobControlId=488653
11 months ago
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Molly Jong-Fast
over 1 year ago
Richest guy in the world telling us we can’t afford to have our government fund cancer research.
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Amy Westervelt
over 1 year ago
Feels like a good time to revisit this little bit of American history, or learn it if you didn’t already know it:
newsroom.haas.berkeley.edu/research/how...
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How Woodrow Wilson’s racist policies eroded the Black civil service - Haas News | Berkeley Haas
Before the election of President Woodrow Wilson, Black Americans worked at all levels of the federal government. But when Wilson assumed office in 1913, he mandated that the federal workforce be segre...
https://newsroom.haas.berkeley.edu/research/how-woodrow-wilsons-racist-segregation-order-eroded-the-black-civil-service/
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Yonah Freemark
over 1 year ago
NYC>Chicago is legitimately a great corridor for high-speed rail, if states of NY, PA, OH, IN & IL could unite for it. You could hit: —NYC—20m —Philly—6m —Harrisburg—600k —Pittsburgh—2.4m —Youngstown—400k —Cleveland—2.2m —Toledo—600k —Ft Wayne—500k —South Bend—300k —Chicago—9m On a ~straight route
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Helen Branswell 🇨🇦
over 1 year ago
Doing the unthinkable: The deep cuts to the
#CDC's
workforce today are expected to decimate the Epidemic Intelligence Service, a program that has trained public health rapid responders for decades. Envy of the world. Poof!
www.statnews.com/2025/02/14/t...
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CDC cuts expected to devastate Epidemic Intelligence Service, a ‘crown jewel’ of public health
Members of the CDC's Epidemic Intelligence Service were warned Friday that many of them were about to be fired
https://www.statnews.com/2025/02/14/trump-cdc-cuts-include-epidemic-intelligence-service-outbreak-investigators/
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James Medlock
over 1 year ago
I'd rather continue to fund the banking police (who have returned billions to consumers) rather than giving everyone a check for $2.15
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Dominique Baker
over 1 year ago
Here's why your education friends had a real rough one today. It's... it's the entire education data collection apparatus of the United States.
www.edweek.org/policy-polit...
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Amy Siskind
over 1 year ago
Posted around NYC, Chicago, DC and other cities. Be creative. Do something!
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Robert Maguire
over 1 year ago
Everyone should be pointing out what is happening at CFPB. There is zero argument to be made here that this is being done to provide taxpayer value. The agency's budget is minuscule, averaging like $600 million/year, yet it has obtained $20 billion in payments from corporations to Americans
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Exclusive | Russell Vought Taking Over as New Acting Head of CFPB
Trump fired the CFPB’s Biden-era leader earlier this week, putting in place Treasury Secretary Scott Bessent, who froze the agency’s work.
https://www.wsj.com/finance/regulation/russell-vought-taking-over-as-new-acting-head-of-cfpb-9650d338
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Jon Mellon
over 1 year ago
New WP with
@vincentab.bsky.social
@ryancbriggs.net
. We use LLMs and RAs to track publication trends in polisci. Here’s how subfields have changed in AJPS and JOP
osf.io/v7fe8
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Max Kennerly
over 1 year ago
Plainly unlawful and unconstitutional. No one can issue such an order; the President and his officers cannot simply ignore an entity created and funded by Congress.
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Omar Wasow
over 1 year ago
I’ve been studying civil rights protests for 20 years. With new mobilization against Trump’s agenda, I’m sharing a thread summarizing my research on how nonviolent & violent actions by 1960s activists and police influenced media, elites, public opinion & voters. 1/
www.cambridge.org/core/journal...
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Alissa Walker
over 1 year ago
This also isn't the first "Marshall Plan" that Newsom has announced. In 2019 he said he would build 3.5 million new homes in California by 2025. He later downgraded his goal to 2.5 million homes. As of December 2024, the state has only permitted 650,000 housing units during his governorship
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Newsom set a major housing goal for 2025. Here's how far short the state has fallen
Despite all of Gavin Newsom's efforts, home permitting and construction have not been turbocharged.
https://www.sfchronicle.com/politics/article/gavin-newsom-housing-record-19971316.php?ref=torched.la
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Don Moynihan
over 1 year ago
Every day that large media outlets fail to put words like “illegal” and “unconstitutional” into their headlines is a day they are choosing to normalize a national crisis
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Brenden Beck
over 1 year ago
Should cities spend $$$ on police or social services if reducing crime is the goal? I summarize the research on this question in this now-un-paywalled article.
www.annualreviews.org/content/jour...
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Brian Schatz
over 1 year ago
The story of this first week is corruption. Billionaires seated on the inaugural stage in front of the cabinet, crypto pump and dump, and the illegal firing of IGs. The media is acting like this is too chaotic and bewildering to interpret, but they are just afraid of sounding shrill. It’s corrupt.
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C. Kirabo Jackson
over 1 year ago
This is highly relevant today. While we can debate the merits of specific 'DEI' policies—some may indeed be misguided—it’s undeniable that racial discrimination persists in this country. The evidence is clear for those willing to engage with it!
bidenwhitehouse.archives.gov/cea/written-...
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Racial Discrimination in Contemporary America | CEA | The White House
Equal opportunity is the bedrock of American democracy, and our country’s diversity is one of our greatest strengths. However, in recognition of the fact that many Americans still face systemic barrie...
https://bidenwhitehouse.archives.gov/cea/written-materials/2024/07/03/racial-discrimination-in-contemporary-america/
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Gretchen Goldman, PhD
over 1 year ago
The part I can't get over is that these are all people. People worried about their families' livelihood. People who chose federal service, often over jobs with more credit or more compensation. People who dared to try to make the government work better for everyone.
www.nytimes.com/2025/01/25/u...
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Trump’s Moves to Upend Federal Bureaucracy Touch Off Fear and Confusion
Agencies are gripped with uncertainty about how to implement the blizzard of new policies as workers frantically try to assess the impact on their lives.
https://www.nytimes.com/2025/01/25/us/politics/trump-federal-workers.html?smid=nytcore-ios-share&referringSource=articleShare&fbclid=IwZXh0bgNhZW0CMTEAAR0uBFYV9XMvw5HHgkM6lxlAgpKsJFmplemUU0ZyjdPos_C68xgyeh7Vdjs_aem_P5Qx4lQOVRisDFHnybsaWQ
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Michael Clemens
over 1 year ago
Some US citizens now assert the right to decide that other US citizens are not legitimate. This is not an action against unauthorized immigrants, but literally against Americans.
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Laurent Bilke
over 1 year ago
"Quantifying the Beige Book’s Soft Data": It works. Now, imagine how much better it could be with a properly trained language model instead of just counting positive and negative words! #LLM #econsky
www.stlouisfed.org/o...
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Quantifying the Beige Book’s ‘Soft’ Data
Some economists believe anecdotal findings in the Beige Book are inferior to hard economic data. This analysis suggests the report’s ‘soft’ content is actually quite firm.
https://www.stlouisfed.org/on-the-economy/2025/jan/quantifying-beige-books-soft-data
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Don Moynihan
over 1 year ago
Me, writing syllabus: Think I will have a class on gender, identity and administrative burdens on Jan 21. Me, preparing lecture: Well, this fucking sucks. What the fuck.
docs.google.com/document/d/1...
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